Metro's Primary Resources

Main menu

Skip to content
  • LA Transportation History
    • Map Collection
    • Traffic Plans
  • Collection Highlights
    • New & Notable Titles
    • Recent Research
    • Resources To Know
  • Libraries & Archives
    • News & Innovation
    • L.A. As Subject
  • About Us
    • Visit Metro Library Website
    • Search Metro Library Catalog
  • Dictionary
  • Privacy Policy
  • metro.net
5 A B C D E F G H I J K L M N O P Q R S T U V W Y Z
C. C& Ca Cb Cc Cd Ce Cf Cg Ch Ci Cl Cm Cn Co Cp Cr Cs Ct Cu Cw Cy
Co Co2 Coa Cod Coe Cof Cog Col Com Con Coo Cop Cor Cos Cou Cov Cow

COMMAND ZERO

by Metro Digital Resources Librarian • April 14, 2016

Look ahead feature of the train control system that prevents a train from leaving a station when traction power is de-energized ahead.

Share:

  • Click to share on Facebook (Opens in new window)
  • Click to share on Twitter (Opens in new window)
  • Click to share on LinkedIn (Opens in new window)
  • Click to share on Tumblr (Opens in new window)
  • Click to share on Reddit (Opens in new window)
  • Click to email this to a friend (Opens in new window)
  • Click to print (Opens in new window)

Like this:

Like Loading...

Related

Post navigation

← CMF
COMMUTE →

Search Primary Resources

This Day in Los Angeles Transportation History

January
January 1: This Date in Los Angeles Transportation History
January 2: This Date in Los Angeles Transportation History
January 3: This Date in Los Angeles Transportation History
January 4: This Date in Los Angeles Transportation History
January 5: This Date in Los Angeles Transportation History
January 6: This Date in Los Angeles Transportation History
January 7: This Date in Los Angeles Transportation History
January 8: This Date in Los Angeles Transportation History
January 9: This Date in Los Angeles Transportation History
January 10: This Date in Los Angeles Transportation History
January 11: This Date in Los Angeles Transportation History
January 12: This Date in Los Angeles Transportation History
January 13: This Date in Los Angeles Transportation History
January 14: This Date in Los Angeles Transportation History
January 15: This Date in Los Angeles Transportation History
January 16: This Date in Los Angeles Transportation History
January 17: This Date in Los Angeles Transportation History
January 18: This Date in Los Angeles Transportation History
January 19: This Date in Los Angeles Transportation History
January 20: This Date in Los Angeles Transportation History
January 21: This Date in Los Angeles Transportation History
January 22: This Date in Los Angeles Transportation History
January 23: This Date in Los Angeles Transportation History
January 24: This Date in Los Angeles Transportation History
January 25: This Date in Los Angeles Transportation History
January 26: This Date in Los Angeles Transportation History
January 27: This Date in Los Angeles Transportation History
January 28: This Date in Los Angeles Transportation History
January 29: This Date in Los Angeles Transportation History
January 30: This Date in Los Angeles Transportation History
January 31: This Date in Los Angeles Transportation History
February
February 1: This Date in Los Angeles Transportation History
February 2: This Date in Los Angeles Transportation History
February 3: This Date in Los Angeles Transportation History
February 4: This Date in Los Angeles Transportation History
February 5: This Date in Los Angeles Transportation History
February 6: This Date in Los Angeles Transportation History
February 7: This Date in Los Angeles Transportation History
February 8: This Date in Los Angeles Transportation History
February 9: This Date in Los Angeles Transportation History
February 10: This Date in Los Angeles Transportation History
February 11: This Date in Los Angeles Transportation History
February 12: This Date in Los Angeles Transportation History
February 13: This Date in Los Angeles Transportation History
February 14: This Date in Los Angeles Transportation History
February 15: This Date in Los Angeles Transportation History
February 16: This Date in Los Angeles Transportation History
February 17: This Date in Los Angeles Transportation History
February 18: This Date in Los Angeles Transportation History
February 19: This Date in Los Angeles Transportation History
February 20: This Date in Los Angeles Transportation History
February 21: This Date in Los Angeles Transportation History
February 22: This Date in Los Angeles Transportation History
February 23: This Date in Los Angeles Transportation History
February 24: This Date in Los Angeles Transportation History
February 25: This Date in Los Angeles Transportation History
February 26: This Date in Los Angeles Transportation History
February 27: This Date in Los Angeles Transportation History
February 28: This Date in Los Angeles Transportation History
March
March 1: This Date in Los Angeles Transportation History
March 2: This Date in Los Angeles Transportation History
March 3: This Date in Los Angeles Transportation History
March 4: This Date in Los Angeles Transportation History
March 5: This Date in Los Angeles Transportation History
March 6: This Date in Los Angeles Transportation History
March 7: This Date in Los Angeles Transportation History
March 8: This Date in Los Angeles Transportation History
March 9: This Date in Los Angeles Transportation History
March 10: This Date in Los Angeles Transportation History
March 11: This Date in Los Angeles Transportation History
March 12: This Date in Los Angeles Transportation History
March 13: This Date in Los Angeles Transportation History
March 14: This Date in Los Angeles Transportation History
March 15: This Date in Los Angeles Transportation History
March 16: This Date in Los Angeles Transportation History
March 17: This Date in Los Angeles Transportation History
March 18: This Date in Los Angeles Transportation History
March 19: This Date in Los Angeles Transportation History
March 20: This Date in Los Angeles Transportation History
March 21: This Date in Los Angeles Transportation History
March 22: This Date in Los Angeles Transportation History
March 23: This Date in Los Angeles Transportation History
March 24: This Date in Los Angeles Transportation History
March 25: This Date in Los Angeles Transportation History
March 26: This Date in Los Angeles Transportation History
March 27: This Date in Los Angeles Transportation History
March 28: This Date in Los Angeles Transportation History
March 29: This Date in Los Angeles Transportation History
March 30: This Date in Los Angeles Transportation History
March 31: This Date in Los Angeles Transportation History
April
April 1: This Date in Los Angeles Transportation History
April 2: This Date in Los Angeles Transportation History
April 3: This Date in Los Angeles Transportation History
April 4: This Date in Los Angeles Transportation History
April 5: This Date in Los Angeles Transportation History
April 6: This Date in Los Angeles Transportation History
April 7: This Date in Los Angeles Transportation History
April 8: This Date in Los Angeles Transportation History
April 9: This Date in Los Angeles Transportation History
April 10: This Date in Los Angeles Transportation History
April 11: This Date in Los Angeles Transportation History
April 12: This Date in Los Angeles Transportation History
April 13: This Date in Los Angeles Transportation History
April 14: This Date in Los Angeles Transportation History
April 15: This Date in Los Angeles Transportation History
April 16: This Date in Los Angeles Transportation History
April 17: This Date in Los Angeles Transportation History
April 18: This Date in Los Angeles Transportation History
April 19: This Date in Los Angeles Transportation History
April 20: This Date in Los Angeles Transportation History
April 21: This Date in Los Angeles Transportation History
April 22: This Date in Los Angeles Transportation History
April 23: This Date in Los Angeles Transportation History
April 24: This Date in Los Angeles Transportation History
April 25: This Date in Los Angeles Transportation History
April 26: This Date in Los Angeles Transportation History
April 27: This Date in Los Angeles Transportation History
April 28: This Date in Los Angeles Transportation History
April 29: This Date in Los Angeles Transportation History
April 30: This Date in Los Angeles Transportation History
May
May 1: This Date in Los Angeles Transportation History
May 2: This Date in Los Angeles Transportation History
May 3: This Date in Los Angeles Transportation History
May 4: This Date in Los Angeles Transportation History
May 5: This Date in Los Angeles Transportation History
May 6: This Date in Los Angeles Transportation History
May 7: This Date in Los Angeles Transportation History
May 8: This Date in Los Angeles Transportation History
May 9: This Date in Los Angeles Transportation History
May 10: This Date in Los Angeles Transportation History
May 11: This Date in Los Angeles Transportation History
May 12: This Date in Los Angeles Transportation History
May 13: This Date in Los Angeles Transportation History
May 14: This Date in Los Angeles Transportation History
May 15: This Date in Los Angeles Transportation History
May 16: This Date in Los Angeles Transportation History
May 17: This Date in Los Angeles Transportation History
May 18: This Date in Los Angeles Transportation History
May 19: This Date in Los Angeles Transportation History
May 20: This Date in Los Angeles Transportation History
May 21: This Date in Los Angeles Transportation History
May 22: This Date in Los Angeles Transportation History
May 23: This Date in Los Angeles Transportation History
May 24: This Date in Los Angeles Transportation History
May 25: This Date in Los Angeles Transportation History
May 26: This Date in Los Angeles Transportation History
May 27: This Date in Los Angeles Transportation History
May 28: This Date in Los Angeles Transportation History
May 29: This Date in Los Angeles Transportation History
May 30: This Date in Los Angeles Transportation History
May 31: This Date in Los Angeles Transportation History
June
June 1: This Date in Los Angeles Transportation History
June 2: This Date in Los Angeles Transportation History
June 3: This Date in Los Angeles Transportation History
June 4: This Date in Los Angeles Transportation History
June 5: This Date in Los Angeles Transportation History
June 6: This Date in Los Angeles Transportation History
June 7: This Date in Los Angeles Transportation History
June 8: This Date in Los Angeles Transportation History
June 9: This Date in Los Angeles Transportation History
June 10: This Date in Los Angeles Transportation History
June 11: This Date in Los Angeles Transportation History
June 12: This Date in Los Angeles Transportation History
June 13: This Date in Los Angeles Transportation History
June 14: This Date in Los Angeles Transportation History
June 15: This Date in Los Angeles Transportation History
June 16: This Date in Los Angeles Transportation History
June 17: This Date in Los Angeles Transportation History
June 18: This Date in Los Angeles Transportation History
June 19: This Date in Los Angeles Transportation History
June 20: This Date in Los Angeles Transportation History
June 21: This Date in Los Angeles Transportation History
June 22: This Date in Los Angeles Transportation History
June 23: This Date in Los Angeles Transportation History
June 24: This Date in Los Angeles Transportation History
June 25: This Date in Los Angeles Transportation History
June 26: This Date in Los Angeles Transportation History
June 27: This Date in Los Angeles Transportation History
June 28: This Date in Los Angeles Transportation History
June 29: This Date in Los Angeles Transportation History
June 30: This Date in Los Angeles Transportation History
July
July 1: This Date in Los Angeles Transportation History
July 2: This Date in Los Angeles Transportation History
July 3: This Date in Los Angeles Transportation History
July 4: This Date in Los Angeles Transportation History
July 5: This Date in Los Angeles Transportation History
July 6: This Date in Los Angeles Transportation History
July 7: This Date in Los Angeles Transportation History
July 8: This Date in Los Angeles Transportation History
July 9: This Date in Los Angeles Transportation History
July 10: This Date in Los Angeles Transportation History
July 11: This Date in Los Angeles Transportation History
July 12: This Date in Los Angeles Transportation History
July 13: This Date in Los Angeles Transportation History
July 14: This Date in Los Angeles Transportation History
July 15: This Date in Los Angeles Transportation History
July 16: This Date in Los Angeles Transportation History
July 17: This Date in Los Angeles Transportation History
July 18: This Date in Los Angeles Transportation History
July 19: This Date in Los Angeles Transportation History
July 20: This Date in Los Angeles Transportation History
July 21: This Date in Los Angeles Transportation History
July 22: This Date in Los Angeles Transportation History
July 23: This Date in Los Angeles Transportation History
July 24: This Date in Los Angeles Transportation History
July 25: This Date in Los Angeles Transportation History
July 26: This Date in Los Angeles Transportation History
July 27: This Date in Los Angeles Transportation History
July 28: This Date in Los Angeles Transportation History
July 29: This Date in Los Angeles Transportation History
July 30: This Date in Los Angeles Transportation History
July 31: This Date in Los Angeles Transportation History
August
August 1: This Date in Los Angeles Transportation History
August 2: This Date in Los Angeles Transportation History
August 3: This Date in Los Angeles Transportation History
August 4: This Date in Los Angeles Transportation History
August 5: This Date in Los Angeles Transportation History
August 6: This Date in Los Angeles Transportation History
August 7: This Date in Los Angeles Transportation History
August 8: This Date in Los Angeles Transportation History
August 9: This Date in Los Angeles Transportation History
August 10: This Date in Los Angeles Transportation History
August 11: This Date in Los Angeles Transportation History
August 12: This Date in Los Angeles Transportation History
August 13: This Date in Los Angeles Transportation History
August 14: This Date in Los Angeles Transportation History
August 15: This Date in Los Angeles Transportation History
August 16: This Date in Los Angeles Transportation History
August 17: This Date in Los Angeles Transportation History
August 18: This Date in Los Angeles Transportation History
August 19: This Date in Los Angeles Transportation History
August 20: This Date in Los Angeles Transportation History
August 21: This Date in Los Angeles Transportation History
August 22: This Date in Los Angeles Transportation History
August 23: This Date in Los Angeles Transportation History
August 24: This Date in Los Angeles Transportation History
August 25: This Date in Los Angeles Transportation History
August 26: This Date in Los Angeles Transportation History
August 27: This Date in Los Angeles Transportation History
August 28: This Date in Los Angeles Transportation History
August 29: This Date in Los Angeles Transportation History
August 30: This Date in Los Angeles Transportation History
August 31: This Date in Los Angeles Transportation History
September
September 1: This Date in Los Angeles Transportation History
September 2: This Date in Los Angeles Transportation History
September 3: This Date in Los Angeles Transportation History
September 4: This Date in Los Angeles Transportation History
September 5: This Date in Los Angeles Transportation History
September 6: This Date in Los Angeles Transportation History
September 7: This Date in Los Angeles Transportation History
September 8: This Date in Los Angeles Transportation History
September 9: This Date in Los Angeles Transportation History
September 10: This Date in Los Angeles Transportation History
September 11: This Date in Los Angeles Transportation History
September 12: This Date in Los Angeles Transportation History
September 13: This Date in Los Angeles Transportation History
September 14: This Date in Los Angeles Transportation History
September 15: This Date in Los Angeles Transportation History
September 16: This Date in Los Angeles Transportation History
September 17: This Date in Los Angeles Transportation History
September 18: This Date in Los Angeles Transportation History
September 19: This Date in Los Angeles Transportation History
September 20: This Date in Los Angeles Transportation History
September 21: This Date in Los Angeles Transportation History
September 22: This Date in Los Angeles Transportation History
September 23: This Date in Los Angeles Transportation History
September 24: This Date in Los Angeles Transportation History
September 25: This Date in Los Angeles Transportation History
September 26: This Date in Los Angeles Transportation History
September 27: This Date in Los Angeles Transportation History
September 28: This Date in Los Angeles Transportation History
September 29: This Date in Los Angeles Transportation History
September 30: This Date in Los Angeles Transportation History
October
October 1: This Date in Los Angeles Transportation History
October 2: This Date in Los Angeles Transportation History
October 3: This Date in Los Angeles Transportation History
October 4: This Date in Los Angeles Transportation History
October 5: This Date in Los Angeles Transportation History
October 7: This Date in Los Angeles Transportation History
October 8: This Date in Los Angeles Transportation History
October 9: This Date in Los Angeles Transportation History
October 10: This Date in Los Angeles Transportation History
October 11: This Date in Los Angeles Transportation History
October 12: This Date in Los Angeles Transportation History
October 13: This Date in Los Angeles Transportation History
October 14: This Date in Los Angeles Transportation History
October 15: This Date in Los Angeles Transportation History
October 16: This Date in Los Angeles Transportation History
October 17: This Date in Los Angeles Transportation History
October 18: This Date in Los Angeles Transportation History
October 19: This Date in Los Angeles Transportation History
October 20: This Date in Los Angeles Transportation History
October 21: This Date in Los Angeles Transportation History
October 22: This Date in Los Angeles Transportation History
October 23: This Date in Los Angeles Transportation History
October 24: This Date in Los Angeles Transportation History
October 25: This Date in Los Angeles Transportation History
October 26: This Date in Los Angeles Transportation History
October 27: This Date in Los Angeles Transportation History
October 28: This Date in Los Angeles Transportation History
October 29: This Date in Los Angeles Transportation History
October 30: This Date in Los Angeles Transportation History
October 31: This Date in Los Angeles Transportation History
November
November 1: This Date in Los Angeles Transportation History
November 2: This Date in Los Angeles Transportation History
November 3: This Date in Los Angeles Transportation History
November 4: This Date in Los Angeles Transportation History
November 5: This Date in Los Angeles Transportation History
November 6: This Date in Los Angeles Transportation History
November 7: This Date in Los Angeles Transportation History
November 8: This Date in Los Angeles Transportation History
November 9: This Date in Los Angeles Transportation History
November 10: This Date in Los Angeles Transportation History
November 12: This Date in Los Angeles Transportation History
November 13: This Date in Los Angeles Transportation History
November 14: This Date in Los Angeles Transportation History
November 15: This Date in Los Angeles Transportation History
November 16: This Date in Los Angeles Transportation History
November 17: This Date in Los Angeles Transportation History
November 18: This Date in Los Angeles Transportation History
November 19: This Date in Los Angeles Transportation History
November 20: This Date in Los Angeles Transportation History
November 21: This Date in Los Angeles Transportation History
November 22: This Date in Los Angeles Transportation History
November 23: This Date in Los Angeles Transportation History
November 25: This Date in Los Angeles Transportation History
November 26: This Date in Los Angeles Transportation History
November 27: This Date in Los Angeles Transportation History
November 28: This Date in Los Angeles Transportation History
November 29: This Date in Los Angeles Transportation History
November 30: This Date in Los Angeles Transportation History
December
December 1: This Date in Los Angeles Transportation History
December 2: This Date in Los Angeles Transportation History
December 3: This Date in Los Angeles Transportation History
December 4: This Date in Los Angeles Transportation History
December 5: This Date in Los Angeles Transportation History
December 6: This Date in Los Angeles Transportation History
December 7: This Date in Los Angeles Transportation History
December 8: This Date in Los Angeles Transportation History
December 9: This Date in Los Angeles Transportation History
December 10: This Date in Los Angeles Transportation History
December 11: This Date in Los Angeles Transportation History
December 12: This Date in Los Angeles Transportation History
December 13: This Date in Los Angeles Transportation History
December 14: This Date in Los Angeles Transportation History
December 15: This Date in Los Angeles Transportation History
December 16: This Date in Los Angeles Transportation History
December 17: This Date in Los Angeles Transportation History
December 18: This Date in Los Angeles Transportation History
December 19: This Date in Los Angeles Transportation History
December 20: This Date in Los Angeles Transportation History
December 21: This Date in Los Angeles Transportation History
December 22: This Date in Los Angeles Transportation History
December 23: This Date in Los Angeles Transportation History
December 24: This Date in Los Angeles Transportation History
December 25: This Date in Los Angeles Transportation History
December 26: This Date in Los Angeles Transportation History
December 27: This Date in Los Angeles Transportation History
December 28: This Date in Los Angeles Transportation History
December 29: This Date in Los Angeles Transportation History
December 30: This Date in Los Angeles Transportation History
December 31: This Date in Los Angeles Transportation History

Subscribe to Transportation Headlines

headlines.primaryresources.info
Hitting the blue "+Subscribe" button on the new Paper.li-based website (click the link above or the blue "Read Paper" button to go there) and it will add you as a subscriber. You will receive each edition as soon as its published.

RSS Tranportation News

  • INTELLIGENT TRANSPORT: MTA and union officials call for more police on New York's transit network May 7, 2021
  • URBANIZE ATLANTA: New rail cars are bound for Atlanta, and MARTA wants your 2 cents May 7, 2021
  • BOSTON.COM: We asked, you answered: This is how safe Boston.com readers feel riding the MBTA May 7, 2021
  • TEEN VOGUE via MSN: Bay Area Teens Led Campaign to Stop Sexual Harassment on Public Transit May 7, 2021
  • MASS TRANSIT MAGAZINE: L.A. Metro releases proposed $8-billion balanced budget for FY22 May 7, 2021

Metro Words Dictionary

Metro Library Social Media Sites

  • Library & Archive Website
  • Library Online Catalog: Search books, documents, electronic resources and more
  • Metro Library Flickr Online Photo Collection
  • Metro Library on Facebook
  • Metro Library on Paper.li: Our Daily Newspaper Of Top Transportation Tweets
  • Metro Library on Tumblr
  • Metro Library on Twitter
  • Metro Library YouTube Channel
  • Our Los Angeles Transportation Headlines: aggregated news published every work day
  • Our Online Archive of California Collection

Transit & Transportation Research and History Resources

  • (San Francisco Bay Area) Metropolitan Transportation Commission Library
  • APTA Historical Archives (George Mason University)
  • California Center For Innovative Transportation (UC Berkeley)
  • California Center for Sustainable Energy
  • California Partners For Advanced Transit And Highways, Berkeley Institute Of Transportation Studies
  • Caltrans Transportation Library & History Center
  • Global Metropolitan Studies, UC Berkeley Institute Of Urban And Regional Development
  • Institute For Transportation & Development Policy
  • Mineta Transportation Institute
  • National Center for Bicycling & Walking
  • National Transportation Library Sources of Information In Transportation
  • Northwestern University Transportation Library
  • OECD Online Access to Global Transport Knowledge
  • RAND Corporation Transportation and Infrastructure
  • Safe Transportation Research & Education Center, UC Berkeley
  • Texas A&M Texas Transportation Institute
  • The World Bank: Transport
  • Tranzinfo: The Australian And New Zealand Network Of Transport Libraries
  • TRB Online International Transport Sources
  • U.S. National Transportation Library
  • U.S. National Transportation Library Directory of Transportation Libraries and Information Centers
  • U.S. RITA University Transportation Centers
  • U.S. Transportation Research Board
  • UC Berkeley Transportation Sustainability Research Center
  • UC Irvine Institute of Transportation Studies
  • UCLA Institute of Transportation Studies
  • University Of California Institute Of Transportation Studies Transportation Library
  • University of California Transportation Center
  • University Of Michigan Transportation Research Institute
  • University Of South Florida National Center For Transit Research
  • USC Archives: The Red Cars of Los Angeles
  • USC/CSULB METRANS University Transportation Centers Custom Search
  • Victoria Transport Policy Institute
  • Volpe National Transportation Systems Center

Categories

Archives

Photostream

Antique Shelf

Copyright © 2021 Metro's Primary Resources, Los Angeles County Metropolitan Transportation Authority metro.net

loading Cancel
Post was not sent - check your email addresses!
Email check failed, please try again
Sorry, your blog cannot share posts by email.
%d bloggers like this: